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Finding the Fourth Proportional to 4,703.88, 7,056.98 and 1,416.90

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Solution

The fourth proportional to 4,703.88, 7,056.98 and 1,416.90 is: 2,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.88 : 7,056.98 = 1,416.90 : x
  2. Step 2: Convert to fraction form
    4,703.88/7,056.98 = 1,416.90/x
  3. Step 3: Cross multiply
    4,703.88x = 7,056.98 × 1,416.90
  4. Step 4: Simplify right side
    4,703.88x = 9,999,034.96
  5. Step 5: Solve for x
    x = 9,999,034.96/4,703.88
  6. Step 6: Final answer
    x = 2,125.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.